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MIDAS 4, 192

Orbit data source: Space-Track

MIDAS 4, 192 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Sat, 21 Oct 1961 UTC via an ATLAS AGENA B launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Iframe URL

https://www.satcat.com/sats-embedded/192?theme=dark&initialShowStats=false

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Identifier

192, 1961-028A

Orbit

LEO

Country

Related business

United States Space Force (US)

Manufacturer

LMSC

Mission

Spacecraft

Bus & Motor

MIDAS, Unknown motor

Mass

~1,540 kg wet, 840 kg dry

Launch date (UTC)

1961-10-21 (64 years ago)

Launch vehicle

ATLAS AGENA B

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

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Last TLE update: 14 hours ago

TLE from 14 hours ago

0 MIDAS 4
1   192U 61028A   26029.80954716  .00000011  00000-0  65179-2 0  9990
2   192  95.8283 194.5374 0135611 103.3536 258.2475  8.67769667 36150

Epoch: 2026-01-29T19:25Z

TLE epoch observation values (Epoch: 2026-01-29T19:25:44.874Z)

Latitude

-0.00005°

Longitude

134.04352°

Altitude

3,656.452 km

Speed

6.294 km/s

True Right ascension

12h 58m 08s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

11:32:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

3,758.403 km

Perigee altitude

3,487.157 km

Semi-major axis

10,000.917 km

Eccentricity

0.01356

Inclination

95.8283°

RAAN

194.5374°

Arg. of periapsis

103.3536°

True anomaly

256.7315°

Mean anomaly

258.2475°

Eccentric anomaly

257.48896°

Mean motion

2.17012 °/min

Orbital period

165.89 mins

BSTAR

0.0065179

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Other satellites on launch #28 in the year 1961 (1961-10-21 UTC)

MIDAS 4 DEB (NOSECONE), 193 (Decayed)

MIDAS 4 DEB, 2371

MIDAS 4 DEB, 29255

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MIDAS 4 Visibility forecast

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Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
34 mins	2026-01-30 12:02:10.021Z	196.576° SSW	2026-01-30 12:19:10.021Z	268.199° W	37.908°	2026-01-30 12:36:10.021Z	344.073° N
28 mins	2026-01-30 21:10:10.021Z	26.607° NE	2026-01-30 21:23:10.021Z	79.773° E	26.824°	2026-01-30 21:38:10.021Z	138.115° SSE
34 mins	2026-01-30 23:52:10.021Z	6.356° NNE	2026-01-31 00:08:10.021Z	290.959° WNW	43.888°	2026-01-31 00:26:10.021Z	206.163° SW
19 mins	2026-01-31 02:38:10.021Z	350.587° N	2026-01-31 02:47:10.021Z	316.34° NNW	18.954°	2026-01-31 02:57:10.021Z	279.733° WNW
20 mins	2026-01-31 07:40:10.021Z	79.605° E	2026-01-31 07:50:10.021Z	42.775° NE	19.277°	2026-01-31 08:00:10.021Z	5.832° NNE

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out MIDAS 4, 192 on other resources

View MIDAS 4, 192 on NASA - NSSDCA Website

View MIDAS 4, 192 on Heavens-Above

View MIDAS 4, 192 on Keep Track

View MIDAS 4, 192 on Celestrak

View MIDAS 4, 192 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

MIDAS 4, 192

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-01-29T19:25:44.874Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #28 in the year 1961 (1961-10-21 UTC)

MIDAS 4 Visibility forecast

Co-orbital & Co-planar RSOs

Check out MIDAS 4, 192 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago